"Sun, 01 Dec 2024 18:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241201
Only TIME
18:20:03
General datetime
2024-12-01 18:20:03Z
For Database
2024-12-01 18:20:03
For HTTP1.1
Sun, 01 Dec 2024 18:20:03 GMT